McElvenny, R. W., & Wortman, M. (2023). The greatest capitalist who ever lived: Tom Watson Jr. and the epic story of how IBM created the digital age (First edition.). PublicAffairs.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)McElvenny, Ralph Watson, و Marc Wortman. The Greatest Capitalist Who Ever Lived: Tom Watson Jr. and the Epic Story of How IBM Created the Digital Age. First edition. New York, NY: PublicAffairs, 2023.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)McElvenny, Ralph Watson, و Marc Wortman. The Greatest Capitalist Who Ever Lived: Tom Watson Jr. and the Epic Story of How IBM Created the Digital Age. First edition. PublicAffairs, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.